Answer:
Step-by-step explanation:
we can do like
8y-7x+2y² -x-5
= 2y^2 + 8y - 8x - 5 ( we know that - 5 = 8 - 13)
= 2( y^2 + 4y + 4) - 8x - 13
= 2 (y+2)^2 -8x - 13
I do not know that you wrongly type but here is the answer.
